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Rh widely different handwritings, and posted from various New England towns. The exception to which I allude had these few extra words written in the lower left-hand corner of the envelope: "To be kept till called for." As I bundled up the letters preparatory to thrusting them back into the box, I noticed that the latter was the only one in a blue envelope, all the others being in the various shades of cream-color and buff.

"Who is in the habit of calling for these letters?" I asked of the postmaster.

"Well," said he, "I don't know his name. The fact is nobody knows him around here. He usually drives up in a buggy about nightfall, calls for letters addressed to X. Y. Z., and having got them, whips up his horse and is off again before one can say a word."

"Describe him," said I.

"Well, he is very lean and very lank. In appearance he is both green and awkward. His complexion is pale, almost sickly. Were it not for his eye, which is keen and twinkling, I should call him an extremely inoffensive-looking person."